# INVESTMENT MANAGERS SER TR I TRADR 1.5X SHORT

INVESTMENT MANAGERS SER TR I TRADR 1.5X SHORT is a security (CUSIP 46144X115) tracked across SEC portfolio filings. 9 institutional managers reported $5.4M on Form 13F as of 2026-03-31.

## Summary

- Issuer: INVESTMENT MANAGERS SER TR I
- Class: TRADR 1.5X SHORT
- CUSIP: 46144X115
- 13F holders: 9
- 13F value: $5.4M
- 13F period: 2026-03-31
- N-PORT fund positions: 0

## Top institutional holders (Form 13F)

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| [CITADEL ADVISORS LLC](https://search.stillhousedata.com/firm/148826) | MIAMI, FL | $2.2M | 51,871 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | BALA CYNWYD, PA | $1.5M | 28,479 |
| GOLDMAN SACHS GROUP INC | NEW YORK, NY | $545K | 18,390 |
| StoneX Group Inc. | New York, NY | $364K | 12,298 |
| JANE STREET GROUP, LLC | NEW YORK, NY | $355K | 12,004 |
| Optiver Holding B.V. | AMSTERDAM, P7 | $278K | 9,379 |
| [TWO SIGMA SECURITIES, LLC](https://search.stillhousedata.com/firm/148960) | New York, NY | $219K | 7,393 |
| [FLOW TRADERS U.S. LLC](https://search.stillhousedata.com/firm/150780) | NEW YORK, NY | $528 | 17,842 |
| UBS Group AG | Zurich, V8 | $59 | 2 |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/46144X115.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

---

Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.